import {z} from 'zod'

export type TaskTypeEnum = 'post-plan' | 'post-apply';

export type SubTaskType = 'plan' | 'apply' | 'rego' | 'rego-changed-code' | 'rego-plan-output' | 'firefly-rego-lib-plan-output' | 'cost' | 'dot-terraform-state' | 'dot-terraform-modules' | 'terraform-providers' | 'changed-code' | 'guardrails' | 'send-event';

export type TaskFlow = Array<SubTaskType>;

export type TaskMetadata = {[key: string]: unknown};

export type SelfHostedRunTaskRequest = {accountId?: string | undefined, type: TaskTypeEnum, flow: TaskFlow, content: {[key: string]: string | null}, metadata?: TaskMetadata | undefined, runnerType?: string | undefined, repo?: string | undefined, workspace?: string | undefined, availableLogs?: Array<string> | undefined, tfWorkingDir?: string | undefined, environment?: string | undefined};

export type CreateApiSelfHostedAccountIdTasksRunV2Args = {accountId: string, body: SelfHostedRunTaskRequest};

export type CreateApiSelfHostedAccountIdTasksRunV2Options = {baseUrl?: string | undefined, RunnerPoolAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const selfHostedRunTaskV2Response = z.object({taskId: z.string(), shouldWait: z.boolean()});

export const validateResponse = async <Output>(
  schema: {
    readonly '~standard': {
      readonly validate: (value: unknown) => ({ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }) | Promise<{ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }>
    }
  },
  value: unknown
): Promise<Output> => {
  const result = await schema['~standard'].validate(value)

  if (result.issues !== undefined) {
    const detail = result.issues
      .map(({ message, path }) =>
        path?.length
          ? `${path.map((segment) => String(typeof segment === 'object' ? segment.key : segment)).join('.')}: ${message}`
          : message
      )
      .join('; ')

    throw new Error(`Response does not match the schema: ${detail}`, { cause: { issues: result.issues } })
  }

  return result.value
};

/**
 * Run a task v2 (self-hosted)
 * 
 * POST /self-hosted/{accountId}/tasks/run/v2
 */
export const createApiSelfHostedAccountIdTasksRunV2 = async (args: CreateApiSelfHostedAccountIdTasksRunV2Args, options?: CreateApiSelfHostedAccountIdTasksRunV2Options) => {
const {baseUrl = "https://api.firefly.ai/v2", fetch: fetchFn = fetch, RunnerPoolAuth} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('content-type', "application/json")
headers.set('accept', "application/json")

if (RunnerPoolAuth !== undefined) headers.set('authorization', `Bearer ${RunnerPoolAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/self-hosted/${encodeURIComponent(String(args.accountId))}/tasks/run/v2${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(selfHostedRunTaskV2Response, await res.json())
};